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GB 14003-2005Smoke detectors - Line detectors using an optical light beam (English PDF)

线型光束感烟火灾探测器

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Issued by

AQSIQ; SAC

Level / Type

National · Mandatory

Issue date

September 1, 2005

Implementation date

June 1, 2006

Scope

GB 14003-2005 is the English-translated version of 线型光束感烟火灾探测器.

China's mandatory product standard for optical beam smoke detectors - the projected beam devices, transmitter one end and receiver or reflector the other, that watch a line up to a hundred metres long and are used where point detectors cannot be: the roof of a warehouse or an atrium, a cable tunnel, a hangar, a historic building where nothing may be fixed to the ceiling.

It specifies the terms and definitions, the classification, the requirements, the test methods, the inspection rules and the marking of line type optical beam smoke detectors, and it applies to the detectors of that kind used in fire alarm systems.

The requirements start from the function: the detector must respond to smoke crossing any part of the beam, at a defined obscuration, and must not respond to the things that also cross it - a bird, a forklift mast, a momentary blockage - which is why the standard distinguishes an alarm condition from a fault condition and sets what the detector must do when the beam is interrupted completely rather than attenuated.

To that are added the requirements on the alignment and on the tolerance to the slow drift of the building structure, which is the failure mode that takes beam detectors out of service in practice, together with the indication, the reset and the interface to the control equipment.

The test programme is the substance of the document: the response threshold and its repeatability and directional dependence, the response to the standard test fires, the behaviour at the extremes of the permitted range, the tolerance to stray light and to obscuration of the optics, and the environmental and electromagnetic programme - dry heat, cold, damp heat, corrosion, vibration, impact and the electromagnetic compatibility tests - that every fire detection product has to survive.

Issued on 1 September 2005 and in force since 1 June 2006, it replaces GB 14003-1992.

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Document preview — GB 14003-2005

National Standard of the People's Republic of China

ICS: 13.220.20
Classification: C 81
Replacing: GB 14003-1992

Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the PRC

1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
5 Requirement and Test Method
6 Inspection Rules
7 Mark

1 Scope

This standard specifies terms and definitions, general requirements, requirements and test methods, test rules and mark of smoke detectors-line detectors using an optical light beam.

This standard is applicable to the smoke detectors-line detectors using an optical light beam that are installed and used for general industry and civil building and detect the smoke with the dimmer principle with 1m~100m optical path length between the opposed components and no larger than 10m minimum optical path length as well as the same with detecting thermal perturbation function. The smoke detectors-line detectors using an optical light beam with special requirements installed in other environment shall comply with this standard except the special requirements specified by the relevant standards.

2 Normative References

The following documents contain provisions which, through reference in this text, constitute provisions of this code. For dated reference, subsequent amendments (excluding amending error in the text) to, or revisions of, any of these publications do not be applied. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the normative document is applicable to this national standard.

Contents of GB 14003-2005 Contents Foreword I

7 Mark

Appendix A (Normative) A.1 Test Equipment A.2 Test Method

Referred in GB 14003-2005:

GB 4715-2005 Smoke Detectors—Point Detectors Using Scattered Light, Transmitted *

GB 9969.1-1998 General principles for preparation of instructions for use of industrial products *

GB 16838-2005 Environmental Test Methods and Severities for Fire Electronic Products *

GB 12978-2003 Rules for test of fire electronic products *

GB/T 17626.2-1998 Electromagnetic compatibility--Testing and measurement techniques--Electrostatic discharge immunity test *

GB/T 17626.3-1998 Electromagnetic compatibility--Testing and measurement techniques-- Radiated,radio-frequency,electromagnetic field immunity test *

GB/T 17626.4-1998 Electromagnetic compatibility-- Testing and measurement techniques --Electrical fast transient/burst immunity test *

GB/T 17626.5-1998 Electromagnetic compatibility--Testing and measurement techniques--Surge immunity test *

GB/T 17626.6-1998 Electromagnetic compatibility --Testing and measurement techniques --Immunity to conducted disturbances,induced by radio-frequency fields padding: 6px;

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GB 14003-2005 Smoke detectors-Line detectors using an optical light beam (English) Standard No.

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7 Mark

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Similar standards

GB 4715|GB 4716|GB 4717|GB 16838|GB 15631|GB 20517

Editions of GB 14003

Edition	Title	Revision	Status
GB 14003-2005	Smoke detectors - Line detectors using an optical light beam	first revision	Current
GB 14003-1992	Smoke detectors - Line detectors using an optical light beam	first issue	Superseded

This page sells the current edition, GB 14003-2005. Earlier editions are listed for reference only.

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